Voluminous volcanism on early Mars revealed in Valles Marineris.

MLA

McEwen, Alfred S., et al. “Voluminous Volcanism on Early Mars Revealed in Valles Marineris.” Nature, vol. 397, no. 6720, Feb. 1999, p. 584. EBSCOhost, https://doi.org/10.1038/17539.

APA

McEwen, A. S., Malin, M. C., Carr, M. H., & Hartmann, W. K. (1999). Voluminous volcanism on early Mars revealed in Valles Marineris. Nature, 397(6720), 584. https://doi.org/10.1038/17539

Chicago

McEwen, Alfred S., Michael C. Malin, Michael H. Carr, and William K. Hartmann. 1999. “Voluminous Volcanism on Early Mars Revealed in Valles Marineris.” Nature 397 (6720): 584. doi:10.1038/17539.